Petya and Tree

binary search, dfs and similar, probabilities, sortings, trees

Doctor

binary search, math, sortings

General Mobilization

data structures, dfs and similar, sortings

Average Score

greedy, math, sortings

Colorful Field

implementation, sortings

Gift

dsu, graphs, sortings, trees

Need For Brake

binary search, greedy, sortings

Lucky Tickets

binary search, data structures, sortings, two pointers

Sort the Table

*special problem, sortings

Table Bowling

*special problem, sortings

Sinking Ship

implementation, sortings, strings

Inquisition

geometry, implementation, sortings

Domino Principle

binary search, data structures, sortings

Physical Education

sortings

Snow sellers

greedy, sortings

Cannon

data structures, geometry, sortings

Event Dates

greedy, meet-in-the-middle, sortings

Moon Craters

dp, sortings

Let's Go Rolling!

dp, sortings

Towers

sortings

Parade

data structures, sortings

Page Numbers

expression parsing, implementation, sortings, strings

Sale

greedy, sortings

Knights

geometry, graphs, shortest paths, sortings

Next Test

implementation, sortings

Oranges and Apples

constructive algorithms, sortings

Segments

greedy, sortings

Stripe 2

binary search, dp, sortings

Burglar and Matches

greedy, implementation, sortings

Map

data structures, implementation, sortings

Cottage Village

implementation, sortings

Sequence

dp, sortings

Ball

data structures, sortings

Fruits

greedy, implementation, sortings

Correct Solution?

implementation, sortings

Longest Regular Bracket Sequence

constructive algorithms, data structures, dp, greedy, sortings, strings

Mysterious Present

dp, sortings

Lorry

greedy, sortings